19th Century Loose Gemstones
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Period: 19th Century
Loose GIA Certifed 0.94ct J Si1 Old European Cut Diamond
Located in Amsterdam, NL
This is an a geniune antique 0.94ct old european cut diamond. The color is J and the clarity is Si1; the diamond faces up quite white and it is eye-clean. Importantly, it is GIA certified. The diamond will come in a black velvet display case...
Category
Antique 19th Century Loose Gemstones
Materials
Diamond
Antique Victorian Red Coral Intaglio Seal Bead
Located in New York, NY
An antique 19th-century stone intaglio seal bead. Round shape, faceted surface. The intaglio depicts a rose flower. Victorian Collectibles, Mineral Stone Carvings, Stamps And Seals.
...
Category
European Antique 19th Century Loose Gemstones
Materials
Coral, Sterling Silver
1.01 Ct Old Mine Cut Diamond - GIA Certified!
Located in Ramat Gan, IL
1.01ct Old Mine Cut Diamond – Antique Charm with Soul M Color SI2 Clarity Vintage Cushion Shape
Looking for a diamond with real character? This 1.01ct Old Mine Cut diamond is ful...
Category
Antique 19th Century Loose Gemstones
Materials
Diamond
Ancient Persian Sasanian Empire Emerald Intaglio Seal
Located in New York, NY
An ancient Persian Sasanian Empire hand carved Emerald intaglio bead seal. Carved Gemstones, Ancient Artifacts and Historical Memorabilia For Collector...
Category
Unknown Antique 19th Century Loose Gemstones
Materials
Emerald, Sterling Silver
GIA Blue Sapphire Unheated Sri Lanka Vintage Certified Loose Emerald 13.31 Cts
Located in Sylvania, GA
Old South Jewels proudly presents... VINTAGE LUXURY. GIA HUGE 13.31 CARAT UNHEATED SAPPHIRE GEMSTONE! FINE BLUE GIA CERTIFIED RARE NO HEAT NATURAL SAPPHIRE. Vintage Huge Ceyl...
Category
Sri Lankan Antique 19th Century Loose Gemstones
Materials
Blue Sapphire, Platinum
6.42ct Old Mine Cut Antique Vintage Diamond - Unique !
Located in Ramat Gan, IL
6.42ct Old Mine Cut Antique Vintage Diamond – A Rare and Remarkable Treasure
Step into timeless elegance with this extraordinary 6.42-carat Old Mine Cut diamond, a true antique marv...
Category
Antique 19th Century Loose Gemstones
Materials
Diamond
Antique Cameo Signed G. Stella Tiara
Located in New York, NY
Weight: 46.3 Grams
Stone: Sardonyx Shell
Measurements: 3.45 x 135.28 x 51 mm
Signed: G. Stella.
ITEM #: BR-1463-112624-12
Circa 1840s. Museum Quality Cameo Tiara...
Category
Neoclassical Antique 19th Century Loose Gemstones
Materials
Other
Italian Micromosaics Microsaic Colosseo Romano Colosseum Roman
Located in Milano, IT
Two wonderful 1800 circa Micro mosaic handmade by craftsmen and assembled with micro mosaic made in onyx depicting the colosseum of Rome.
Brooch total weight 27.80 grams circa
Category
Unknown Antique 19th Century Loose Gemstones
Materials
Onyx
Collection of Unmounted 19th Century Lava Cameos
Located in Riverdale, NY
Collection of 5 Unmounted Lava Cameos from the 19th Century. Various profiles of well known figures in different tones of hand carved lava. The central cameo has a line across forehe...
Category
Italian Victorian Antique 19th Century Loose Gemstones
Materials
Agate
Eye Catching Natural Loose Mintgreen Tourmaline Cushion Shape Ring Gem 3 Carats
Located in Peshawar, PK
Loose Tourmaline
Weight: 3.0 Carats
Dimension: 9.5x7x5 Mm
Origin: Kunar Afghanistan
Shape: Cushion
Color: Mint Green
Treatment: Non
Certificate: On Demand
Tourmaline is a gemstone...
Category
Afghan Arts and Crafts Antique 19th Century Loose Gemstones
Materials
Tourmaline
5.03 Carat Opal
Located in Bangkok, TH
This piece is a stunning, 5.03 Carat Opal, in a mesmerising, unique shape. Opals are a unique and captivating type of gemstone known for their play-of-color, which is a shifting arra...
Category
Edwardian Antique 19th Century Loose Gemstones
Materials
Opal, Black Opal, Platinum
GIA Emerald Cameo 20.10ct Ural Mountains Origin
Located in New York, NY
It is quite rare to find an emerald cameo that is this large a size.
The motif of the woman with flowing hair is possibly a Gorgon as in Medusa. The wei...
Category
European Victorian Antique 19th Century Loose Gemstones
Materials
Emerald
Tablet Shape Hand Carved Lime Banded Agate Ancient Galley Sailing
Located in New York, NY
Commissioned by Castellani® Jewellers and added to the Castellani® Gemstone Collection is this Banded Lime Green Agate Intaglio.
The banded lime green agate was originally set into V...
Category
British Victorian Antique 19th Century Loose Gemstones
Materials
Agate
8.08 Carat Opal
Located in Bangkok, TH
This piece is a massive and stunning, 8.08 Carat Opal, in a mesmerising, and unique shape, with a grey and red hue. Opals are a unique and captivating type of gemstone known for thei...
Category
Edwardian Antique 19th Century Loose Gemstones
Materials
Opal, Black Opal, Platinum
Natural Vivid Gradient Green Halo Donut Jadeite, Round Circle Jade Pendant
Located in Kowloon, HK
Behold the captivating beauty of this stunning natural jade donut pendant, a true masterpiece of Mother Nature. Crafted from the finest Type-A Myanmar jadeite jade, this pendant radi...
Category
Hong Kong Arts and Crafts Antique 19th Century Loose Gemstones
Materials
Jade
28.57 Carat Black Opal
Located in Bangkok, TH
This piece is a massive and stunning, 28.57 Carat Black Opal, in a mesmerising, trillion-cut shape. Opals are a unique and captivating type of gemstone known for their play-of-color,...
Category
Edwardian Antique 19th Century Loose Gemstones
Materials
Opal, Black Opal, Platinum
Ancient Susanian Carved Agate Head Intaglio Bead
Located in New York, NY
An ancient Sasanian hand carved red agate intaglio bead. The bead depicts a head with a high hairstyle. Ancient Sasanian Jewelry Wares and Accessories and Collectibles.
Dimensions: ...
Category
Unknown Antique 19th Century Loose Gemstones
Materials
Agate, Sterling Silver
Sparkling 2.50 Carats Natural Loose Fire Sphene Titanite Gem Oval Shape
Located in Peshawar, PK
Loose Sphene
Weight: 2.50 Cara
Dimension: 9.2x6.9x5 Mm
Origin: Warsak Pakistan
Shape: Oval
Treatment: Non
Color: Yellow Fire
Certificate: On Client Dem...
Category
Pakistani Arts and Crafts Antique 19th Century Loose Gemstones
Materials
Hematite
9.03 Carat Opal
Located in Bangkok, TH
This piece is a massive and stunning, 9.03 Carat Opal, in a mesmerising, elongated-oval shape that has a gorgeous, sky-blue hue. Opals are a unique and captivating type of gemstone k...
Category
Edwardian Antique 19th Century Loose Gemstones
Materials
Opal, Black Opal, Platinum
Antique "Europa Dancing with Zeus" Loose Cameo
Located in New York, NY
This finely carved antique shell cameo depicts the mythological scene of Europa dancing with Zeus, rendered with elegant movement and classical detail. The natural shell’s warm tones...
Category
Antique 19th Century Loose Gemstones
Materials
Other
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